Numbers n such that n^2 + 2*n + 2^n is prime.

Terms

a(0) =1a(1) =3a(2) =5a(3) =7a(4) =13a(5) =15a(6) =35a(7) =43a(8) =159a(9) =245a(10) =265a(11) =1573a(12) =1827a(13) =3359a(14) =3949a(15) =4615a(16) =5463a(17) =5919a(18) =19723